package com.warm.controller;

import com.warm.form.OrderForm;
import com.warm.converter.OrderForm2OrderDTOConverter;
import com.warm.dto.OrderDTO;
import com.warm.enums.ResultEnum;
import com.warm.exception.SellException;
import com.warm.service.BuyerService;
import com.warm.service.OrderService;
import com.warm.utils.ResultVOUtil;
import com.warm.vo.ResultVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by liangchuang on 2018/9/6.
 */
@RestController
@RequestMapping("/buyer/order")
@Slf4j
public class BuyerOrderController {

    @Autowired
    private OrderService orderService;
    @Autowired
    private BuyerService buyerService;

    //创建订单
    @PostMapping("/create")
    public ResultVO<Map<String, String>> create(@Valid OrderForm orderForm,
                                                BindingResult bindingResult){
        if(bindingResult.hasErrors()){
            log.error("【创建订单】 参数不正确, orderForm={}", orderForm);
            throw new SellException(ResultEnum.PARAM_ERROR.getCode(),
                    bindingResult.getFieldError().getDefaultMessage());
        }
        OrderDTO orderDTO = OrderForm2OrderDTOConverter.convert(orderForm);
        if(CollectionUtils.isEmpty(orderDTO.getOrderDetailList())){
            log.error("【创建订单】 购物车不能为空");
            throw new SellException(ResultEnum.CART_EMPTY);
        }

        OrderDTO createResult = orderService.create(orderDTO);

        Map<String, String> map = new HashMap<>();
        map.put("orderId", createResult.getOrderId());

        return ResultVOUtil.success(map);
    }

    //订单列表
    public ResultVO<List<OrderDTO>> list(
            @RequestParam(value = "openid") String openid,
            @RequestParam(value = "page", defaultValue = "0") Integer page,
            @RequestParam(value = "size", defaultValue = "10") Integer size){
        if (StringUtils.isEmpty(openid)){
            log.error("【查询订单列表】 openid为空");
            throw new SellException(ResultEnum.PARAM_ERROR);
        }
        PageRequest request = new PageRequest(page, size);
        Page<OrderDTO> orderDTOPage = orderService.findList(openid, request);

        return ResultVOUtil.success(orderDTOPage.getContent());
    }

    //订单详情
    @GetMapping("/detail")
    public ResultVO<OrderDTO> detail(
            @RequestParam("openid") String openid,
            @RequestParam("orderId") String orderId){
        //不安全的做法
        /*
        OrderDTO orderDTO = orderService.findOne(orderId);
        if(orderDTO.getBuyerOpenid().equalsIgnoreCase(openid)){

        }
        */
        OrderDTO orderDTO = buyerService.findOrderOne(openid, orderId);
        return  ResultVOUtil.success(orderDTO);
        }

    //取消订单
    @PostMapping("/cancle")
    public  ResultVO<OrderDTO> cancle(
            @RequestParam("openid") String openid,
            @RequestParam("orderId") String orderId){
        //不安全
        //OrderDTO orderDTO = orderService.findOne(orderId);
        //orderService.cancle(orderDTO);
        buyerService.cancleOrder(openid, orderId);
        return ResultVOUtil.success();
    }
}
